Aztec Tier Blue and Purple Turquoise Earrings (by Laura Ingalls Designs)Pure blue turquoise and purple turquoise beads are jacketed with sterling silver that is engraved with an Aztec style motif, then linked to drop gracefully in Laura Ingalls' marvellous new design. Here are your new favorite earrings. Approximately 2 inches long. The handmade jewelry of Laura Ingalls Designs is a fresh, contemporary interpretation of traditional Southwestern styles, using sterling, semiprecious stones and natural materials to create